Relocate metadata fixup logic from config.yml to R script

.Rbuildignore

@@ -5,3 +5,5 @@ Makefile
 announcement\.Rmd
 todo\.txt
 .github
+tests/integration
+tests/circleci

tests/circleci/fixup_metadata.R

@@ -0,0 +1,36 @@
+# this script uses regex to edit the DESCRIPTION file within each of the Dash core
+# packages as required to test bleeding edge builds
+#
+# to avoid spurious versioning errors, we loosen the version restriction here so
+# that it is >= rather than the == format currently applied to release packages for
+# testing purposes only
+
+# capture DESCRIPTION data for dash, dashTable, dashCoreComponents, dashHtmlComponents
+dash_desc <- read.dcf("dashR/DESCRIPTION")
+dt_version <- read.dcf("dash-table/DESCRIPTION")[,"Version"]
+dcc_version <- read.dcf("dash-core-components/DESCRIPTION")[,"Version"]
+dhc_version <- read.dcf("dash-html-components/DESCRIPTION")[,"Version"]
+
+# capture Imports data for dashTable, dashCoreComponents, dashHtmlComponents
+imports <- dash_desc[,"Imports"][[1]]
+
+# loosen version restriction to prevent versioning errors at release time,
+# edit the Imports section of dash's DESCRIPTION as required, then update dash_desc
+imports <- gsub("==", ">=", imports, perl=TRUE)
+
+dash_desc[,"Imports"][[1]] <- imports
+
+# obtain the latest commit hash for dashTable, dashCoreComponents, dashHtmlComponents, and save
+dhc_hash <- system("cd dash-html-components; git rev-parse HEAD | tr -d '\''\n'\''", intern=TRUE)
+dcc_hash <- system("cd dash-core-components; git rev-parse HEAD | tr -d '\''\n'\''", intern=TRUE)
+dt_hash <- system("cd dash-table; git rev-parse HEAD | tr -d '\''\n'\''", intern=TRUE)
+remotes <- dash_desc[,"Remotes"][[1]]
+
+# edit the Remotes section of dash's DESCRIPTION as required to update hashes, update dash_desc
+remotes <- gsub("((?<=plotly\\\\/dash-html-components@)([a-zA-Z0-9]+))", dhc_hash, remotes, perl=TRUE)
+remotes <- gsub("((?<=plotly\\\\/dash-core-components@)([a-zA-Z0-9]+))", dcc_hash, remotes, perl=TRUE)
+remotes <- gsub("((?<=plotly\\\\/dash-table@)([a-zA-Z0-9]+))", dt_hash, remotes, perl=TRUE)
+dash_desc[,"Remotes"][[1]] <- remotes
+
+# write the updated DESCRIPTION back to the dash package directory for installation
+write.dcf(dash_desc, "dashR/DESCRIPTION")